http://api.tweetmeme.com/imagebutton.gif?url=http://sports.espn.go.com/chicago/nba/news/story?id=5011529&campaign=rss&source=NBAHeadlines (http://api.tweetmeme.com/share?url=http://sports.espn.go.com/chicago/nba/news/story?id=5011529&campaign=rss&source=NBAHeadlines&service=tinyurl.com&source=espn)Chicago Bulls forward Luol Deng could miss two to three more weeks because of a strained right calf, putting his status for the rest of the season in question.